RMG-Core: add Input_ControllerMode setting

Source/RMG-Core/Settings/Settings.cpp

@@ -615,6 +615,9 @@ static l_Setting get_setting(SettingsID settingId)
     case SettingsID::Input_Profiles:
         setting = {SETTING_SECTION_INPUT, "Profiles", std::string("")};
         break;
+    case SettingsID::Input_ControllerMode:
+        setting = {SETTING_SECTION_INPUT, "ControllerMode", 0};
+        break;
     case SettingsID::Input_UseProfile:
         setting = {"", "UseProfile"};
         break;

Source/RMG-Core/Settings/SettingsID.hpp

@@ -199,6 +199,7 @@ enum class SettingsID
 
     // Input Plugin Settings
     Input_Profiles,
+    Input_ControllerMode,
     Input_UseProfile,
     Input_UseGameProfile,
     Input_PluggedIn,